Coulombs law Questions

Q1. A charge of 4000μC passes each point in a wire in 50s
Calculate: a) the charge in coulombs
b) The current in the wire
c) The number of electrons per second passing each point in the wire (Electron charge = 1.6 * 10^-19 C)
Q.2 A 240V kettle transfers 6.9*10^5 joules of energy in 5 minutes. What is the current in the kettle?
Q.3 When hot an electric bar fire has resistance of 50ohms. When connected to the mains supply (240V) what is its power?